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GST / Litigation & Classification

GST Notice for Wrong Tax Rate Classification: Rate Entry, Classification Evidence and Penalty Exposure

A technical guide to GST notices for wrong tax rate classification, covering the rate-notification entry, the classification evidence and the penalty distinction between bona fide error and suppression.

29 Oct 20263 min read

A GST notice alleging that the taxpayer applied the wrong tax rate—typically 12% instead of 18%, or 18% instead of 12%—is a classification dispute dressed as a rate dispute. The taxpayer’s response must address the classification on the merits: the product or service description, the tariff entry, the rate notification and the explanatory notes. A reply that asserts “we applied the correct rate” without the classification analysis will not close the notice.

The Rate Notification and the Entry

The GST rate for a supply is determined by the rate notification, which maps HSN or SAC codes to rates. The classification of the product or service determines the HSN or SAC, which determines the rate. The taxpayer should identify the specific entry relied on, the chapter heading and the explanatory notes. Where the product is a mixture or a preparation, the classification rules for mixtures and composite goods may apply.

The service side has its own classification challenges: works contract, composite supply, bundled service, intermediary, and the specific SAC entries. A works contract that was taxed at 12% but is held to be taxable at 18% is a common example.

The Classification Evidence

The reply should include the product specification, the manufacturing process, the ingredients or composition, the end use, the trade parlance, any advance ruling or judicial precedent, and the rate notification entry. Where the classification is genuinely ambiguous, the taxpayer should present the competing entries and explain why the chosen entry is more specific or more appropriate. A classification dispute is resolved by the relative specificity of the entries, not by the taxpayer’s preference.

The Bona Fide Error Versus Suppression Distinction

Where the taxpayer disclosed the transaction in the returns and applied a plausible classification, the error is ordinarily bona fide, and the penalty exposure is 10% of the tax due, subject to a minimum of ₹10,000. Where the department alleges suppression, misstatement or fraud, the penalty can be 100% of the tax short-paid, and the extended period of limitation may apply. The reply should therefore establish the disclosure and the plausibility of the classification, and should contest any fraud allegation.

The Demand Computation

The demand should be computed on the correct rate, with interest from the due date. The taxpayer should verify the department’s computation, including the tax period, the taxable value and the interest rate. A demand that aggregates multiple financial years in a single notice is permissible, but the computation should be year-wise and the interest should be correctly allocated.

What the Taxpayer Should Control

The rate-classification outcome depends on three variables: whether the classification is defensible on the specific entry and the product or service description; whether the error is bona fide and disclosed rather than suppressed; and whether the demand computation is accurate. The taxpayer that controls these variables can narrow the dispute to the classification question and avoid a fraud penalty.


Call to Action: We advise taxpayers on rate-classification notices, tariff-entry analysis and penalty defence. For a classification-specific engagement, contact office@anujdesaiassociates.com, Ph No. 9619456656, Website https://anujdesaiassociates.com, LinkedIn linkedin.com/in/ca-anuj-desai-122547230.

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